package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.OrderService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private OrderService orderService;

    @GetMapping("getMemberReport")
    @PreAuthorize("hasAuthority('REPORT_VIEW')")
    public Result getMemberReport(){
        try {
            Map map = memberService.findNumsForYear();
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }
    @GetMapping("getSetmealReport")
    @PreAuthorize("hasAuthority('REPORT_VIEW')")
    public Result getSetmealReport(){
        try {
            Map map = setmealService.findSetmealOrderNum();
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }
    @GetMapping("getBusinessReportData")
    @PreAuthorize("hasAuthority('REPORT_VIEW')")
    public Result getBusinessReportData(){
        try {
            Map<String,Integer> map1 = memberService.findNumByDate();
            Map<String,Integer> map2 = orderService.findNumByDate();
            List<Map<String,Object>> list = setmealService.findHotSetmeal();
            Map<String,Object> map3 = new HashMap<>();
            map3.put("reportDate",new SimpleDateFormat("yyyy-MM-dd").format(new Date()));
            Map<String,Object> map = new HashMap<>();
            map3.put("hotSetmeal",list);
            map.putAll(map1);
            map.putAll(map2);
            map.putAll(map3);
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    @GetMapping("exportBusinessReport")
    @PreAuthorize("hasAuthority('REPORT_VIEW')")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = (Map<String,Object>)getBusinessReportData().getData();
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            String classPath = this.getClass().getClassLoader().getResource("template").getPath();
            String temlateRealPath = classPath + File.separator +"report_template.xlsx";//读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);
            //0,1,2
            XSSFRow row = sheet.getRow(2);//行
            row.getCell(5).setCellValue(reportDate);//日期 列

            row = sheet.getRow(4);//行
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日） 列
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);//12(13)行是热门套餐，每次+1
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载  在响应头 content-Disposition,"attachment"代表以附件形式下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//让浏览器以excel解析
            //content-Disposition", "attachment;代表让浏览器以附件的形式进行下载
            //filename=hahah.xlsx 下载文件的名称
            response.setHeader("content-Disposition", "attachment;filename=reportData.xlsx");//
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();

            return null;
        }catch (Exception e){
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL,null);
        }
    }
    @GetMapping("exportBusinessReport4PDF")
    @PreAuthorize("hasAuthority('REPORT_VIEW')")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = (Map<String,Object>)getBusinessReportData().getData();
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            String classPath = this.getClass().getClassLoader().getResource("template").getPath();
            String jrxmlRealPath = classPath + File.separator +"health_business3.jrxml";
            String jasperPath = classPath + File.separator +"health_business3.jasper";
            JasperCompileManager.compileReportToFile(jrxmlRealPath,jasperPath);

            //通过输出流进行文件下载  在响应头 content-Disposition,"attachment"代表以附件形式下载
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");//让浏览器以excel解析
            //content-Disposition", "attachment;代表让浏览器以附件的形式进行下载
            //filename=hahah.xlsx 下载文件的名称
            response.setHeader("content-Disposition", "attachment;filename=reportData.pdf");//

            JasperExportManager.exportReportToPdfStream(jasperPrint,out);
            out.flush();
            out.close();

            return null;
        }catch (Exception e){
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL,null);
        }
    }
}
